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-rw-r--r--drivers/net/ethernet/intel/e100.c15
-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c1
-rw-r--r--drivers/net/ethernet/intel/e1000e/e1000.h3
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c105
-rw-r--r--drivers/net/ethernet/intel/e1000e/hw.h10
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c140
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.h6
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c38
8 files changed, 217 insertions, 101 deletions
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 5115ae7..ada6e21 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1175,15 +1175,12 @@ static int e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
config->rx_discard_short_frames = 0x0; /* 1=discard, 0=save */
}
- netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
- "[00-07]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
- netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
- "[08-15]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- c[8], c[9], c[10], c[11], c[12], c[13], c[14], c[15]);
- netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
- "[16-23]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
- c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
+ netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[00-07]=%8ph\n",
+ c + 0);
+ netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[08-15]=%8ph\n",
+ c + 8);
+ netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[16-23]=%8ph\n",
+ c + 16);
return 0;
}
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 4c303e2..104fcec 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -2057,6 +2057,7 @@ const struct e1000_info e1000_82583_info = {
| FLAG_HAS_JUMBO_FRAMES
| FLAG_HAS_CTRLEXT_ON_LOAD,
.flags2 = FLAG2_DISABLE_ASPM_L0S
+ | FLAG2_DISABLE_ASPM_L1
| FLAG2_NO_DISABLE_RX,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index ffbc08f..ad0edd1 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -90,9 +90,6 @@ struct e1000_info;
#define E1000_MNG_VLAN_NONE (-1)
-/* Number of packet split data buffers (not including the header buffer) */
-#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
-
#define DEFAULT_JUMBO 9234
/* Time to wait before putting the device into D3 if there's no link (in ms). */
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 59c22bf..e4ebd7d 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -173,7 +173,7 @@ static int e1000_get_settings(struct net_device *netdev,
speed = adapter->link_speed;
ecmd->duplex = adapter->link_duplex - 1;
}
- } else {
+ } else if (!pm_runtime_suspended(netdev->dev.parent)) {
u32 status = er32(STATUS);
if (status & E1000_STATUS_LU) {
if (status & E1000_STATUS_SPEED_1000)
@@ -264,6 +264,9 @@ static int e1000_set_settings(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ int ret_val = 0;
+
+ pm_runtime_get_sync(netdev->dev.parent);
/* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed
@@ -271,7 +274,8 @@ static int e1000_set_settings(struct net_device *netdev,
if (hw->phy.ops.check_reset_block &&
hw->phy.ops.check_reset_block(hw)) {
e_err("Cannot change link characteristics when SoL/IDER is active.\n");
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
/* MDI setting is only allowed when autoneg enabled because
@@ -279,13 +283,16 @@ static int e1000_set_settings(struct net_device *netdev,
* duplex is forced.
*/
if (ecmd->eth_tp_mdix_ctrl) {
- if (hw->phy.media_type != e1000_media_type_copper)
- return -EOPNOTSUPP;
+ if (hw->phy.media_type != e1000_media_type_copper) {
+ ret_val = -EOPNOTSUPP;
+ goto out;
+ }
if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
(ecmd->autoneg != AUTONEG_ENABLE)) {
e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
}
@@ -307,8 +314,8 @@ static int e1000_set_settings(struct net_device *netdev,
u32 speed = ethtool_cmd_speed(ecmd);
/* calling this overrides forced MDI setting */
if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
- clear_bit(__E1000_RESETTING, &adapter->state);
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
}
@@ -331,8 +338,10 @@ static int e1000_set_settings(struct net_device *netdev,
e1000e_reset(adapter);
}
+out:
+ pm_runtime_put_sync(netdev->dev.parent);
clear_bit(__E1000_RESETTING, &adapter->state);
- return 0;
+ return ret_val;
}
static void e1000_get_pauseparam(struct net_device *netdev,
@@ -366,6 +375,8 @@ static int e1000_set_pauseparam(struct net_device *netdev,
while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
usleep_range(1000, 2000);
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (adapter->fc_autoneg == AUTONEG_ENABLE) {
hw->fc.requested_mode = e1000_fc_default;
if (netif_running(adapter->netdev)) {
@@ -398,6 +409,7 @@ static int e1000_set_pauseparam(struct net_device *netdev,
}
out:
+ pm_runtime_put_sync(netdev->dev.parent);
clear_bit(__E1000_RESETTING, &adapter->state);
return retval;
}
@@ -428,6 +440,8 @@ static void e1000_get_regs(struct net_device *netdev,
u32 *regs_buff = p;
u16 phy_data;
+ pm_runtime_get_sync(netdev->dev.parent);
+
memset(p, 0, E1000_REGS_LEN * sizeof(u32));
regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
@@ -472,6 +486,8 @@ static void e1000_get_regs(struct net_device *netdev,
e1e_rphy(hw, MII_STAT1000, &phy_data);
regs_buff[24] = (u32)phy_data; /* phy local receiver status */
regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
+
+ pm_runtime_put_sync(netdev->dev.parent);
}
static int e1000_get_eeprom_len(struct net_device *netdev)
@@ -504,6 +520,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
if (!eeprom_buff)
return -ENOMEM;
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (hw->nvm.type == e1000_nvm_eeprom_spi) {
ret_val = e1000_read_nvm(hw, first_word,
last_word - first_word + 1,
@@ -517,6 +535,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
}
}
+ pm_runtime_put_sync(netdev->dev.parent);
+
if (ret_val) {
/* a read error occurred, throw away the result */
memset(eeprom_buff, 0xff, sizeof(u16) *
@@ -566,6 +586,8 @@ static int e1000_set_eeprom(struct net_device *netdev,
ptr = (void *)eeprom_buff;
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (eeprom->offset & 1) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
@@ -606,6 +628,7 @@ static int e1000_set_eeprom(struct net_device *netdev,
ret_val = e1000e_update_nvm_checksum(hw);
out:
+ pm_runtime_put_sync(netdev->dev.parent);
kfree(eeprom_buff);
return ret_val;
}
@@ -701,6 +724,8 @@ static int e1000_set_ringparam(struct net_device *netdev,
}
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
e1000e_down(adapter);
/* We can't just free everything and then setup again, because the
@@ -739,6 +764,7 @@ err_setup_rx:
e1000e_free_tx_resources(temp_tx);
err_setup:
e1000e_up(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
free_temp:
vfree(temp_tx);
vfree(temp_rx);
@@ -1732,6 +1758,8 @@ static void e1000_diag_test(struct net_device *netdev,
u8 autoneg;
bool if_running = netif_running(netdev);
+ pm_runtime_get_sync(netdev->dev.parent);
+
set_bit(__E1000_TESTING, &adapter->state);
if (!if_running) {
@@ -1817,6 +1845,8 @@ static void e1000_diag_test(struct net_device *netdev,
}
msleep_interruptible(4 * 1000);
+
+ pm_runtime_put_sync(netdev->dev.parent);
}
static void e1000_get_wol(struct net_device *netdev,
@@ -1891,6 +1921,8 @@ static int e1000_set_phys_id(struct net_device *netdev,
switch (state) {
case ETHTOOL_ID_ACTIVE:
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (!hw->mac.ops.blink_led)
return 2; /* cycle on/off twice per second */
@@ -1902,6 +1934,7 @@ static int e1000_set_phys_id(struct net_device *netdev,
e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
hw->mac.ops.led_off(hw);
hw->mac.ops.cleanup_led(hw);
+ pm_runtime_put_sync(netdev->dev.parent);
break;
case ETHTOOL_ID_ON:
@@ -1912,6 +1945,7 @@ static int e1000_set_phys_id(struct net_device *netdev,
hw->mac.ops.led_off(hw);
break;
}
+
return 0;
}
@@ -1950,11 +1984,15 @@ static int e1000_set_coalesce(struct net_device *netdev,
adapter->itr_setting = adapter->itr & ~3;
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (adapter->itr_setting != 0)
e1000e_write_itr(adapter, adapter->itr);
else
e1000e_write_itr(adapter, 0);
+ pm_runtime_put_sync(netdev->dev.parent);
+
return 0;
}
@@ -1968,7 +2006,9 @@ static int e1000_nway_reset(struct net_device *netdev)
if (!adapter->hw.mac.autoneg)
return -EINVAL;
+ pm_runtime_get_sync(netdev->dev.parent);
e1000e_reinit_locked(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
return 0;
}
@@ -1982,7 +2022,12 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
int i;
char *p = NULL;
+ pm_runtime_get_sync(netdev->dev.parent);
+
e1000e_get_stats64(netdev, &net_stats);
+
+ pm_runtime_put_sync(netdev->dev.parent);
+
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
switch (e1000_gstrings_stats[i].type) {
case NETDEV_STATS:
@@ -2033,7 +2078,11 @@ static int e1000_get_rxnfc(struct net_device *netdev,
case ETHTOOL_GRXFH: {
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 mrqc = er32(MRQC);
+ u32 mrqc;
+
+ pm_runtime_get_sync(netdev->dev.parent);
+ mrqc = er32(MRQC);
+ pm_runtime_put_sync(netdev->dev.parent);
if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
return 0;
@@ -2096,9 +2145,13 @@ static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
return -EOPNOTSUPP;
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
ret_val = hw->phy.ops.acquire(hw);
- if (ret_val)
+ if (ret_val) {
+ pm_runtime_put_sync(netdev->dev.parent);
return -EBUSY;
+ }
/* EEE Capability */
ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
@@ -2117,14 +2170,11 @@ static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
/* EEE PCS Status */
ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
+ if (ret_val)
+ goto release;
if (hw->phy.type == e1000_phy_82579)
phy_data <<= 8;
-release:
- hw->phy.ops.release(hw);
- if (ret_val)
- return -ENODATA;
-
/* Result of the EEE auto negotiation - there is no register that
* has the status of the EEE negotiation so do a best-guess based
* on whether Tx or Rx LPI indications have been received.
@@ -2136,7 +2186,14 @@ release:
edata->tx_lpi_enabled = true;
edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
- return 0;
+release:
+ hw->phy.ops.release(hw);
+ if (ret_val)
+ ret_val = -ENODATA;
+
+ pm_runtime_put_sync(netdev->dev.parent);
+
+ return ret_val;
}
static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
@@ -2169,12 +2226,16 @@ static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
+ pm_runtime_get_sync(netdev->dev.parent);
+
/* reset the link */
if (netif_running(netdev))
e1000e_reinit_locked(adapter);
else
e1000e_reset(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
+
return 0;
}
@@ -2212,19 +2273,7 @@ static int e1000e_get_ts_info(struct net_device *netdev,
return 0;
}
-static int e1000e_ethtool_begin(struct net_device *netdev)
-{
- return pm_runtime_get_sync(netdev->dev.parent);
-}
-
-static void e1000e_ethtool_complete(struct net_device *netdev)
-{
- pm_runtime_put_sync(netdev->dev.parent);
-}
-
static const struct ethtool_ops e1000_ethtool_ops = {
- .begin = e1000e_ethtool_begin,
- .complete = e1000e_ethtool_complete,
.get_settings = e1000_get_settings,
.set_settings = e1000_set_settings,
.get_drvinfo = e1000_get_drvinfo,
diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
index a6f903a..b799fd9 100644
--- a/drivers/net/ethernet/intel/e1000e/hw.h
+++ b/drivers/net/ethernet/intel/e1000e/hw.h
@@ -90,6 +90,10 @@ struct e1000_hw;
#define E1000_DEV_ID_PCH_LPT_I217_V 0x153B
#define E1000_DEV_ID_PCH_LPTLP_I218_LM 0x155A
#define E1000_DEV_ID_PCH_LPTLP_I218_V 0x1559
+#define E1000_DEV_ID_PCH_I218_LM2 0x15A0
+#define E1000_DEV_ID_PCH_I218_V2 0x15A1
+#define E1000_DEV_ID_PCH_I218_LM3 0x15A2 /* Wildcat Point PCH */
+#define E1000_DEV_ID_PCH_I218_V3 0x15A3 /* Wildcat Point PCH */
#define E1000_REVISION_4 4
@@ -227,6 +231,9 @@ union e1000_rx_desc_extended {
};
#define MAX_PS_BUFFERS 4
+
+/* Number of packet split data buffers (not including the header buffer) */
+#define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
/* Receive Descriptor - Packet Split */
union e1000_rx_desc_packet_split {
struct {
@@ -251,7 +258,8 @@ union e1000_rx_desc_packet_split {
} middle;
struct {
__le16 header_status;
- __le16 length[3]; /* length of buffers 1-3 */
+ /* length of buffers 1-3 */
+ __le16 length[PS_PAGE_BUFFERS];
} upper;
__le64 reserved;
} wb; /* writeback */
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 9dde390..af08188 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -185,6 +185,7 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
u32 phy_id = 0;
s32 ret_val;
u16 retry_count;
+ u32 mac_reg = 0;
for (retry_count = 0; retry_count < 2; retry_count++) {
ret_val = e1e_rphy_locked(hw, MII_PHYSID1, &phy_reg);
@@ -203,11 +204,11 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
if (hw->phy.id) {
if (hw->phy.id == phy_id)
- return true;
+ goto out;
} else if (phy_id) {
hw->phy.id = phy_id;
hw->phy.revision = (u32)(phy_reg & ~PHY_REVISION_MASK);
- return true;
+ goto out;
}
/* In case the PHY needs to be in mdio slow mode,
@@ -219,7 +220,22 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
ret_val = e1000e_get_phy_id(hw);
hw->phy.ops.acquire(hw);
- return !ret_val;
+ if (ret_val)
+ return false;
+out:
+ if (hw->mac.type == e1000_pch_lpt) {
+ /* Unforce SMBus mode in PHY */
+ e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
+ phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
+ e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
+
+ /* Unforce SMBus mode in MAC */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+ }
+
+ return true;
}
/**
@@ -233,7 +249,6 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
{
u32 mac_reg, fwsm = er32(FWSM);
s32 ret_val;
- u16 phy_reg;
/* Gate automatic PHY configuration by hardware on managed and
* non-managed 82579 and newer adapters.
@@ -262,22 +277,16 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
ew32(CTRL_EXT, mac_reg);
+ /* Wait 50 milliseconds for MAC to finish any retries
+ * that it might be trying to perform from previous
+ * attempts to acknowledge any phy read requests.
+ */
+ msleep(50);
+
/* fall-through */
case e1000_pch2lan:
- if (e1000_phy_is_accessible_pchlan(hw)) {
- if (hw->mac.type == e1000_pch_lpt) {
- /* Unforce SMBus mode in PHY */
- e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
- phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
- e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
-
- /* Unforce SMBus mode in MAC */
- mac_reg = er32(CTRL_EXT);
- mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
- ew32(CTRL_EXT, mac_reg);
- }
+ if (e1000_phy_is_accessible_pchlan(hw))
break;
- }
/* fall-through */
case e1000_pchlan:
@@ -287,6 +296,7 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
if (hw->phy.ops.check_reset_block(hw)) {
e_dbg("Required LANPHYPC toggle blocked by ME\n");
+ ret_val = -E1000_ERR_PHY;
break;
}
@@ -298,15 +308,6 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC;
ew32(FEXTNVM3, mac_reg);
- if (hw->mac.type == e1000_pch_lpt) {
- /* Toggling LANPHYPC brings the PHY out of SMBus mode
- * So ensure that the MAC is also out of SMBus mode
- */
- mac_reg = er32(CTRL_EXT);
- mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
- ew32(CTRL_EXT, mac_reg);
- }
-
/* Toggle LANPHYPC Value bit */
mac_reg = er32(CTRL);
mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE;
@@ -325,6 +326,21 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
usleep_range(5000, 10000);
} while (!(er32(CTRL_EXT) &
E1000_CTRL_EXT_LPCD) && count--);
+ usleep_range(30000, 60000);
+ if (e1000_phy_is_accessible_pchlan(hw))
+ break;
+
+ /* Toggling LANPHYPC brings the PHY out of SMBus mode
+ * so ensure that the MAC is also out of SMBus mode
+ */
+ mac_reg = er32(CTRL_EXT);
+ mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, mac_reg);
+
+ if (e1000_phy_is_accessible_pchlan(hw))
+ break;
+
+ ret_val = -E1000_ERR_PHY;
}
break;
default:
@@ -332,13 +348,14 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
}
hw->phy.ops.release(hw);
-
- /* Reset the PHY before any access to it. Doing so, ensures
- * that the PHY is in a known good state before we read/write
- * PHY registers. The generic reset is sufficient here,
- * because we haven't determined the PHY type yet.
- */
- ret_val = e1000e_phy_hw_reset_generic(hw);
+ if (!ret_val) {
+ /* Reset the PHY before any access to it. Doing so, ensures
+ * that the PHY is in a known good state before we read/write
+ * PHY registers. The generic reset is sufficient here,
+ * because we haven't determined the PHY type yet.
+ */
+ ret_val = e1000e_phy_hw_reset_generic(hw);
+ }
out:
/* Ungate automatic PHY configuration on non-managed 82579 */
@@ -793,29 +810,31 @@ release:
* When K1 is enabled for 1Gbps, the MAC can miss 2 DMA completion indications
* preventing further DMA write requests. Workaround the issue by disabling
* the de-assertion of the clock request when in 1Gpbs mode.
+ * Also, set appropriate Tx re-transmission timeouts for 10 and 100Half link
+ * speeds in order to avoid Tx hangs.
**/
static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link)
{
u32 fextnvm6 = er32(FEXTNVM6);
+ u32 status = er32(STATUS);
s32 ret_val = 0;
+ u16 reg;
- if (link && (er32(STATUS) & E1000_STATUS_SPEED_1000)) {
- u16 kmrn_reg;
-
+ if (link && (status & E1000_STATUS_SPEED_1000)) {
ret_val = hw->phy.ops.acquire(hw);
if (ret_val)
return ret_val;
ret_val =
e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
- &kmrn_reg);
+ &reg);
if (ret_val)
goto release;
ret_val =
e1000e_write_kmrn_reg_locked(hw,
E1000_KMRNCTRLSTA_K1_CONFIG,
- kmrn_reg &
+ reg &
~E1000_KMRNCTRLSTA_K1_ENABLE);
if (ret_val)
goto release;
@@ -827,12 +846,45 @@ static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link)
ret_val =
e1000e_write_kmrn_reg_locked(hw,
E1000_KMRNCTRLSTA_K1_CONFIG,
- kmrn_reg);
+ reg);
release:
hw->phy.ops.release(hw);
} else {
/* clear FEXTNVM6 bit 8 on link down or 10/100 */
- ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK);
+ fextnvm6 &= ~E1000_FEXTNVM6_REQ_PLL_CLK;
+
+ if (!link || ((status & E1000_STATUS_SPEED_100) &&
+ (status & E1000_STATUS_FD)))
+ goto update_fextnvm6;
+
+ ret_val = e1e_rphy(hw, I217_INBAND_CTRL, &reg);
+ if (ret_val)
+ return ret_val;
+
+ /* Clear link status transmit timeout */
+ reg &= ~I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK;
+
+ if (status & E1000_STATUS_SPEED_100) {
+ /* Set inband Tx timeout to 5x10us for 100Half */
+ reg |= 5 << I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
+
+ /* Do not extend the K1 entry latency for 100Half */
+ fextnvm6 &= ~E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
+ } else {
+ /* Set inband Tx timeout to 50x10us for 10Full/Half */
+ reg |= 50 <<
+ I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
+
+ /* Extend the K1 entry latency for 10 Mbps */
+ fextnvm6 |= E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
+ }
+
+ ret_val = e1e_wphy(hw, I217_INBAND_CTRL, reg);
+ if (ret_val)
+ return ret_val;
+
+update_fextnvm6:
+ ew32(FEXTNVM6, fextnvm6);
}
return ret_val;
@@ -993,7 +1045,9 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
/* Work-around I218 hang issue */
if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
- (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V)) {
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM3) ||
+ (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) {
ret_val = e1000_k1_workaround_lpt_lp(hw, link);
if (ret_val)
return ret_val;
@@ -4168,7 +4222,9 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
u16 phy_reg, device_id = hw->adapter->pdev->device;
if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
- (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V)) {
+ (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
+ (device_id == E1000_DEV_ID_PCH_I218_LM3) ||
+ (device_id == E1000_DEV_ID_PCH_I218_V3)) {
u32 fextnvm6 = er32(FEXTNVM6);
ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK);
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index 80034a2..5986569 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -93,6 +93,7 @@
#define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3
#define E1000_FEXTNVM6_REQ_PLL_CLK 0x00000100
+#define E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION 0x00000200
#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
@@ -197,6 +198,11 @@
#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in ms */
+/* Inband Control */
+#define I217_INBAND_CTRL PHY_REG(770, 18)
+#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK 0x3F00
+#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT 8
+
/* PHY Low Power Idle Control */
#define I82579_LPI_CTRL PHY_REG(772, 20)
#define I82579_LPI_CTRL_100_ENABLE 0x2000
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 77f81cb..e6d2c0f 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2979,17 +2979,10 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
u32 pages = 0;
/* Workaround Si errata on PCHx - configure jumbo frame flow */
- if (hw->mac.type >= e1000_pch2lan) {
- s32 ret_val;
-
- if (adapter->netdev->mtu > ETH_DATA_LEN)
- ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
- else
- ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
-
- if (ret_val)
- e_dbg("failed to enable jumbo frame workaround mode\n");
- }
+ if ((hw->mac.type >= e1000_pch2lan) &&
+ (adapter->netdev->mtu > ETH_DATA_LEN) &&
+ e1000_lv_jumbo_workaround_ich8lan(hw, true))
+ e_dbg("failed to enable jumbo frame workaround mode\n");
/* Program MC offset vector base */
rctl = er32(RCTL);
@@ -3826,6 +3819,8 @@ void e1000e_reset(struct e1000_adapter *adapter)
break;
}
+ pba = 14;
+ ew32(PBA, pba);
fc->high_water = ((pba << 10) * 9 / 10) & E1000_FCRTH_RTH;
fc->low_water = ((pba << 10) * 8 / 10) & E1000_FCRTL_RTL;
break;
@@ -4034,6 +4029,12 @@ void e1000e_down(struct e1000_adapter *adapter)
adapter->link_speed = 0;
adapter->link_duplex = 0;
+ /* Disable Si errata workaround on PCHx for jumbo frame flow */
+ if ((hw->mac.type >= e1000_pch2lan) &&
+ (adapter->netdev->mtu > ETH_DATA_LEN) &&
+ e1000_lv_jumbo_workaround_ich8lan(hw, false))
+ e_dbg("failed to disable jumbo frame workaround mode\n");
+
if (!pci_channel_offline(adapter->pdev))
e1000e_reset(adapter);
@@ -4683,11 +4684,11 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
struct e1000_phy_regs *phy = &adapter->phy_regs;
- if ((er32(STATUS) & E1000_STATUS_LU) &&
+ if (!pm_runtime_suspended((&adapter->pdev->dev)->parent) &&
+ (er32(STATUS) & E1000_STATUS_LU) &&
(adapter->hw.phy.media_type == e1000_media_type_copper)) {
int ret_val;
- pm_runtime_get_sync(&adapter->pdev->dev);
ret_val = e1e_rphy(hw, MII_BMCR, &phy->bmcr);
ret_val |= e1e_rphy(hw, MII_BMSR, &phy->bmsr);
ret_val |= e1e_rphy(hw, MII_ADVERTISE, &phy->advertise);
@@ -4698,7 +4699,6 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)
ret_val |= e1e_rphy(hw, MII_ESTATUS, &phy->estatus);
if (ret_val)
e_warn("Error reading PHY register\n");
- pm_runtime_put_sync(&adapter->pdev->dev);
} else {
/* Do not read PHY registers if link is not up
* Set values to typical power-on defaults
@@ -5995,6 +5995,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
*/
e1000e_release_hw_control(adapter);
+ pci_clear_master(pdev);
+
/* The pci-e switch on some quad port adapters will report a
* correctable error when the MAC transitions from D0 to D3. To
* prevent this we need to mask off the correctable errors on the
@@ -6723,10 +6725,6 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->hw.fc.current_mode = e1000_fc_default;
adapter->hw.phy.autoneg_advertised = 0x2f;
- /* ring size defaults */
- adapter->rx_ring->count = E1000_DEFAULT_RXD;
- adapter->tx_ring->count = E1000_DEFAULT_TXD;
-
/* Initial Wake on LAN setting - If APM wake is enabled in
* the EEPROM, enable the ACPI Magic Packet filter
*/
@@ -6976,6 +6974,10 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPT_I217_V), board_pch_lpt },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_LM), board_pch_lpt },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LPTLP_I218_V), board_pch_lpt },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM2), board_pch_lpt },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V2), board_pch_lpt },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_LM3), board_pch_lpt },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_I218_V3), board_pch_lpt },
{ 0, 0, 0, 0, 0, 0, 0 } /* terminate list */
};
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